/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package pasosServer.servlet;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigDecimal;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import pasosServer.ejb.ProtegidoFacadeRemote;
import pasosServer.model.Protegido;

/**
 *
 * @author Juan Antonio
 */
@WebServlet(name = "ImagenServlet", urlPatterns = {"/ImagenServlet"})
public class ImagenServlet extends HttpServlet {
    @EJB
    private ProtegidoFacadeRemote protegidoFacade;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //response.setContentType("text/html;charset=UTF-8");
        //PrintWriter out = response.getWriter()
            BigDecimal bd = new BigDecimal(request.getParameter("id"));
            Protegido p=this.protegidoFacade.find(bd);
            //HttpSession sesion=request.getSession(true);
            byte[] foto=(byte[]) p.getFoto();
            response.setContentType("image/gif"); 
            ServletOutputStream out = response.getOutputStream(); 
            out.write(foto);
            out.close();
            //sesion.removeAttribute("foto");
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
